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(2021 BM)
Classification: Apollo [NEO]          SPK-ID: 54106296
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1807571184344043 0.00011336  
a 1.191095225315731 0.00015321 au
q .9757962846066818 9.5061e-06 au
i 1.264398815907142 0.00074664 deg
node 181.1843446944318 0.0005519 deg
peri 337.9330225444486 0.0029631 deg
M 153.8052598361579 0.038222 deg
tp 2458797.644475606624
(2019-Nov-10.14447561)		 0.089551 TDB
period 474.8081363368776
1.30		 0.091609
0.0002508		 d
yr
n .7582009920415076 0.00014629 deg/d
Q 1.40639416602478 0.0001809 au
   Orbit Determination Parameters
   # obs. used (total)      72  
   data-arc span      26 days  
   first obs. used      2021-01-16  
   last obs. used      2021-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .35639  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-11 05:25:35  

Additional Information
 Earth MOID = .0037158 au 
 Jupiter MOID = 3.57017 au 
 T_jup = 5.309 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 25.2   .34159 E2021D54 autocmod 2.8

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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